/*
 * Copyright (c) 2012 Jonathan Tyers
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package uk.org.uplink.configproxy;

import java.util.HashMap;
import java.util.Map;

/**
 * Caches values for the {@link ConfigValueResolver}.
 * 
 * @author jonny
 */
public class ConfigValueResolverCache {
	private final Map<MethodInfo, Object> cache = new HashMap<MethodInfo, Object>();

	public boolean contains(final MethodInfo key) {
		return cache.containsKey(key);
	}

	public Object get(final MethodInfo key) {
		return cache.get(key);
	}

	public Object put(final MethodInfo key, final Object value) {
		return cache.put(key, value);
	}

	private MethodInfo findByConfigValueKey(final String configValueKey) {
		for (MethodInfo methodInfo : cache.keySet()) {
			if (methodInfo.getConfigValue().key().equals(configValueKey)) {
				return methodInfo;
			}
		}
		return null;
	}

	public void removeByConfigValueKey(final String configValueKey) {
		cache.remove(findByConfigValueKey(configValueKey));
	}

	public void clear() {
		cache.clear();
	}


}
